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Guidelines for Interpretive Interview Fidelity in Mixed Methods Research Within the Context of a Randomized Controlled Trial Amanda L

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Guidelines for Interpretive Interview Fidelity in Mixed Methods Research Within the Context of a Randomized Controlled Trial Amanda L University of Nebraska - Lincoln DigitalCommons@University of Nebraska - Lincoln Public Access Theses and Dissertations from the Education and Human Sciences, College of (CEHS) College of Education and Human Sciences 8-2016 Guidelines for Interpretive Interview Fidelity in Mixed Methods Research within the Context of a Randomized Controlled Trial Amanda L. Garrett University of Nebraska - Lincoln, [email protected] Follow this and additional works at: http://digitalcommons.unl.edu/cehsdiss Part of the Educational Methods Commons, Educational Psychology Commons, and the Medicine and Health Sciences Commons Garrett, Amanda L., "Guidelines for Interpretive Interview Fidelity in Mixed Methods Research within the Context of a Randomized Controlled Trial" (2016). Public Access Theses and Dissertations from the College of Education and Human Sciences. 276. http://digitalcommons.unl.edu/cehsdiss/276 This Article is brought to you for free and open access by the Education and Human Sciences, College of (CEHS) at DigitalCommons@University of Nebraska - Lincoln. It has been accepted for inclusion in Public Access Theses and Dissertations from the College of Education and Human Sciences by an authorized administrator of DigitalCommons@University of Nebraska - Lincoln. GUIDELINES FOR INTERPRETIVE INTERVIEW FIDELITY IN MIXED METHODS RESEARCH WITHIN THE CONTEXT OF A RANDOMIZED CONTROLLED TRIAL by Amanda L. Garrett A DISSERTATION Presented to the Faculty of The Graduate College at the University of Nebraska In Partial Fulfillment of Requirements For the Degree of Doctor of Philosophy Major: Interdepartmental Area of Psychological Studies in Education (Quantitative, Qualitative, and Psychometric Methods) Under the Supervision of Professors Susan M. Swearer & Wayne A. Babchuk Lincoln, Nebraska August, 2016 GUIDELINES FOR INTERPRETIVE INTERVIEW FIDELITY IN MIXED METHODS RESEARCH WITHIN THE CONTEXT OF A RANDOMIZED CONTROLLED TRIAL Amanda L. Garrett, Ph.D. University of Nebraska, 2016 Co-Advisors: Susan M. Swearer & Wayne A. Babchuk Interviews fascinate and capture individuals’ attention. Researchers value the data they glean from interviews, while participants enjoy being asked to share their voices and opinions. Some of the most complex, stringent research designs are now being revised to include interviews, such as randomized controlled trials. But, how do we know that the interviews that are conducted are valid? We need to know more about how interviews are developed and delivered within the context of intervention research. Therefore, the aim of this methodological dissertation is to create a set of recommendations for interpretive interviews in a mixed methods randomized controlled trial. This dissertation research is part of a larger NIH-funded longitudinal research project on exercise adherence. Through qualitative analysis, dialectical pluralism of research paradigms, and literature on treatment fidelity and validity, the interview fidelity process emerged. Findings indicated five interview fidelity ideals: (1) research contributions, (2) interviewer-participant association, (3) participant accommodation, (4) process and procedures, and (5) data management dimensions. Implications for various research audiences are discussed. Outcomes will assist researchers in processing interviews to encourage and increase validity within the context of intervention trial mixed methods studies and the broader base of all mixed methods studies utilizing interviews. iii Acknowledgements I acknowledge my committee members who served so that I could graduate: I thank Susan Swearer for taking on the assignment of my co-chair after the abrupt departure of my last advisor even though she is outside of my program. I appreciate Wayne Babchuk for his guidance being my co-chair from the QQPM program. I recognize Charles Ansorge for reading during his retirement as an emeritus faculty. I express gratitude for Tony Albano for reading in the eleventh hour. I thank Bunny Pozehl for permitting her grant to be part of this project as well as her participation. Thanks to Patti in the EDPS office for always being there for me. I appreciate all families who created scholarship funds and selected me, signifying belief in my abilities. I also found strength in remembering the many colleagues who passed through the program and Office of Qualitative and Mixed Methods Research before me and lifted me up. I thank my family for believing in me so that I could accomplish this. I wish for my son Konnor to walk his own path. iv TABLE OF CONTENTS CHAPTER 1: Introduction .......................................................................................................... 1 Problem Statement .................................................................................................................. 1 Purpose ................................................................................................................................... 3 Research Questions ................................................................................................................. 3 Audiences Who Will Benefit from Study ................................................................................ 4 Researcher Reflexivity ............................................................................................................ 4 CHAPTER 2: Literature Review ................................................................................................ 6 Conceptual Framework ........................................................................................................... 6 Randomized Controlled Trials ........................................................................................ 6 Hearts on Track Study ............................................................................................ 7 Treatment Fidelity Framework ........................................................................................ 8 Interview Fidelity Framework ............................................................................... 10 Interviews ............................................................................................................................. 11 History of Interviews .................................................................................................... 12 Typology ...................................................................................................................... 13 Interpretive Interviews.......................................................................................... 13 Health Sciences .................................................................................................... 14 Mixed Methods .................................................................................................... 15 Longitudinal ......................................................................................................... 15 Question Formation ...................................................................................................... 15 Methods ....................................................................................................................... 16 Site and Participants ............................................................................................. 16 Recording and note taking .................................................................................... 18 Implementation ............................................................................................................. 19 Interviewer Skills.......................................................................................................... 21 Research Paradigms .............................................................................................................. 22 History of Paradigms .................................................................................................... 23 Paradigms Defined ....................................................................................................... 24 Paradigm Wars ............................................................................................................. 25 Paradigm Peace ............................................................................................................ 26 Paradigm Relevance ..................................................................................................... 28 Inquiry Paradigms ................................................................................................ 30 v Positivism .................................................................................................... 30 Postpositivism .............................................................................................. 32 Constructionism/Constructivism/Interpretivism ............................................ 32 Postmodernism/Post-structuralism................................................................ 34 Transformative ............................................................................................. 35 Pragmatism .................................................................................................. 35 Dialetical Stance .......................................................................................... 36 Mental Model ....................................................................................................... 37 Team Stance ................................................................................................ 38
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